TVS 4K only has 1 DVE which you can make a PIP with.
Daniel Wittenaar .:: Xtreemtec Media Productions ::. -= www.xtreemtec.nl =- 4K OBV Trailer, ATEM TVS HD, 4M/E Broadcast Studio 4K, Constelation 8K, Hyperdeck Studio 12G, Ursa Broadcast 4K, 4K fiber converters with Sony Control